ANS-C01 Question 350
Select 2Your company has a multi-region AWS environment and wants to establish low-latency, high-bandwidth private connectivity between on-premises data centers and multiple VPCs across regions. The solution should minimize the number of physical connections while supporting seamless communication between the VPCs. Which of the following connectivity methods should you implement?
- A
Use AWS Direct Connect with a Direct Connect Gateway to connect multiple VPCs across regions.
- B
Use AWS Transit Gateway to interconnect VPCs and establish on-premises connectivity through a site-to-site VPN.
- C
Use AWS Direct Connect with individual private virtual interfaces (VIFs) for each VPC.
- D
Use AWS Direct Connect with a Transit Gateway Direct Connect attachment to connect multiple VPCs and on-premises data centers.
Show answer and explanation
Correct answers: A, D
Explanation
To achieve efficient, scalable, and low-latency connectivity between on-premises data centers and multiple VPCs across regions, AWS Direct Connect Gateway and Transit Gateway Direct Connect attachment are the most suitable solutions. These methods minimize physical connections while providing seamless interconnectivity. Direct Connect Gateway supports cross-region VPC connectivity, while Transit Gateway Direct Connect attachment enables integration with both VPCs and on-premises data centers in a scalable manner.
- A. Correct.
This is correct. AWS Direct Connect Gateway allows you to connect multiple VPCs across regions through a single Direct Connect connection, reducing the need for multiple physical connections.
- B. Incorrect.
While Transit Gateway can interconnect VPCs and establish VPN connections to on-premises environments, it does not leverage the benefits of AWS Direct Connect for high-bandwidth, low-latency private connectivity.
- C. Incorrect.
Using individual private VIFs for each VPC would require multiple Direct Connect connections or configurations, which is less efficient and does not scale well for multi-region deployments.
- D. Correct.
This is correct. Direct Connect with a Transit Gateway Direct Connect attachment allows you to connect multiple VPCs and on-premises data centers through a single Direct Connect connection. This scales well for hybrid cloud environments.